Re: pg_upgrade from 8.3 to 9.1 and Flag --disable-integer-datetimes

From: Kevin Grittner <kgrittn(at)ymail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>, Meik Weißbach <meik(at)itso-berlin(dot)de>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: pg_upgrade from 8.3 to 9.1 and Flag --disable-integer-datetimes
Date: 2014-06-07 16:30:39
Message-ID: 1402158639.48099.YahooMailNeo@web122301.mail.ne1.yahoo.com
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Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> On Tue, May 27, 2014 at 04:29:19PM +0200, Meik Weißbach wrote:

>> How do we determine, whether or not a server is built with
>> disable-integer-datetimes?
>
> pg_upgrade --check will definitely complain about a timestamp storage
> mismatch.  Odds are your packager built 8.3 with integer timestamps.
> Run pg_controldata on the 8.3 cluster and look at:
>
>     Date/time type storage:               64-bit integers
>
> This shows integer timestamps.

All good information; but just for the sake of completeness, if you
can get a database connection, you can execute:

SHOW integer_datetimes;

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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